How can I run LyX 2.4.0 on Ubuntu 30.04 ?

Mon Jun 3 17:22:14 UTC 2024

On Sun, Jun 02, 2024 at 12:50:48AM GMT, Enrico Forestieri wrote:
> On Fri, May 31, 2024 at 12:05:01PM -0400, Scott Kostyshak wrote:
> > 
> > Occassionally I see someone (maybe Enrico or JMarc?) mention they
> > checked something on a very old version of LyX to see if some behavior
> > is how it's always been. How do you do that? Does that version fun on
> > your current operating system? Do you have a virtual machine with an old
> > version of your operating system installed?
> 
> Yes, I can run all versions of lyx from 1.3 on both current cygwin and
> debian (I can even run lyx 1.1.6fix4 but only on Solaris).
> 
> In order to be able to do this I save all relevant Qt and Python packages
> (as .deb files on debian) and install/reinstall them whenever needed.
> Sometimes I have to tweak a .deb package in order to convince the system
> that all prerequisites are actually satisfied (see, for axample,
> https://www.baeldung.com/linux/package-deb-change-repack)
> 
> I have also to patch the lyx sources due to compiler changes but until now I
> was able to recompile and run everything on the current operating system.
> 
> As an example, I add here a script and a tar archive with a debian directory
> for building lyx 1.3.7. All you would need to do is renaming the original
> sources as lyx13_1.3.7.orig.tar.gz, put the script and the tar archive in
> the same directory and launch the script to obtain a .deb file ready for
> installation.
> 
> Of course, you also need Qt3 and corresponding development files. However,
> if you are interested, I can provide everything is necessary:
> $ ls -l /usr/local/src/pkgs/qt3/
> totale 9344
> -rw-r--r-- 1 ef  137708  6 ago  2015 libjpeg8_8d-1+deb7u1_amd64.deb
> -rw-r--r-- 1 ef  115480  5 ago  2015 libjpeg8_8d-1+deb7u1_i386.deb
> -rw-r--r-- 1 ef  172672 25 lug  2023 libpng12-0_1.2.50-2+deb8u3_amd64.deb
> -rw-r--r-- 1 ef  178756 25 lug  2023 libpng12-0_1.2.50-2+deb8u3_i386.deb
> -rw-r--r-- 1 ef  248140 25 lug  2023 libpng12b-dev_1.2.50-2+deb8u3_amd64.deb
> -rw-r--r-- 1 ef  247966 23 giu  2017 libpng12-dev_1.2.50-2+deb8u3_amd64.deb.orig
> -rw-r--r-- 1 ef   79308  5 ago  2015 libqt3-compat-headers_3.3.8b-11+b1_all.deb
> -rw-r--r-- 1 ef   80624  5 set  2010 libqt3-compat-headers_3.3.8b-7+b1_amd64.deb
> -rw-r--r-- 1 ef  277452  5 ago  2015 libqt3-headers_3.3.8b-11+b1_all.deb
> -rw-r--r-- 1 ef  357446  5 set  2010 libqt3-headers_3.3.8b-7+b1_amd64.deb
> -rw-r--r-- 1 ef 2587542  5 ago  2015 libqt3-mt_3.3.8b-11+b1_i386.deb
> -rw-r--r-- 1 ef 2656476  5 ago  2015 libqt3-mt_3.3.8b-7+b1_amd64.deb
> -rw-r--r-- 1 ef   46554  5 ago  2015 libqt3-mt-dev_3.3.8b-11+b1_i386.deb
> -rw-r--r-- 1 ef   46442 23 giu  2017 libqt3-mt-dev_3.3.8b-7+b1_amd64.deb
> -rw-r--r-- 1 ef   49074  5 set  2010 libqt3-mt-dev_3.3.8b-7+b1_amd64.deb.orig
> -rw-r--r-- 1 ef  215152 11 dic 01.38 multiarch-support_2.28-10_amd64.deb
> drwxr-xr-x 2 ef       0 25 lug  2023 pre-bookworm/
> -rw-r--r-- 1 ef  977050  5 ago  2015 qt3-dev-tools_3.3.8b-11+b1_i386.deb
> -rw-r--r-- 1 ef 1060254  5 ago  2015 qt3-dev-tools_3.3.8b-7+b1_amd64.deb
> 
> I can also simply provide the .deb archives for lyx ready for installation
> (they can be installed together because the binaries are versioned):
> 
> $ ls -l lyx*/*_amd64.deb | grep -v dbgsym
> -rw-r--r-- 1 ef  4022796 23 giu  2017 lyx13/lyx13_1.3.7-1.1_amd64.deb
> -rw-r--r-- 1 ef  5155392 24 giu  2017 lyx14/lyx14_1.4.5.1-1.1_amd64.deb
> -rw-r--r-- 1 ef 10203976 16 nov  2021 lyx15/lyx15_1.5.7-1.1_amd64.deb
> -rw-r--r-- 1 ef 11861228 16 nov  2021 lyx16/lyx16_1.6.10-1.1_amd64.deb
> -rw-r--r-- 1 ef 13532172 17 nov  2021 lyx20/lyx20_2.0.8.1-1.1_amd64.deb
> -rw-r--r-- 1 ef 14403048 17 nov  2021 lyx21/lyx21_2.1.5-1.1_amd64.deb
> -rw-r--r-- 1 ef 22823668 17 nov  2021 lyx22/lyx22_2.2.4-1.0_amd64.deb
> 
> Every time the system is upgraded and the .deb archive does not install
> anymore, I update the patches if the problem is due to the new compiler or
> simply tweak the archive such that it installs cleanly. It seems complicated
> but actually turns out to be quite straightforward.
> 
> I do this to make sure I reproduce a document by editing it with the same
> version of lyx that generated it. Although this is not always necessary (as
> we strive for backward compatibility) I have been bitten by it in a few
> occasions.

This is all very helpful, Enrico. I had no idea that the old debs could
be used on newer systems (with some potential modifications). I've saved
this info and will refer back to it when I need to bisect an issue that
was introduced a long time ago. Thank you!

Scott
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